Key result
The stress-recovery index independently predicted cardiac death (OR 0.7; 95% CI 0.5-0.9) and provided additional prognostic information over standard clinical and exercise testing data.
Why the study?
Does stress-recovery, heart rate-adjusted, ST-segment analysis improve the prediction of cardiac death in survivors of a first uncomplicated myocardial infarction compared to routine clinical and exercise testing data?
Population
708 survivors of a first uncomplicated myocardial infarction
Comparison
Stress-recovery, heart rate-adjusted, ST-segment… vs Routinely obtained information
Design
Cohort
Follow-up
median 32 months
Authors
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May refine post-MI risk stratification beyond routine testing; hypothesis-generating and requires prospective validation before practice change.
Cohort (n=708)
Does stress-recovery, heart rate-adjusted, ST-segment analysis improve the prediction of cardiac death in survivors of a first uncomplicated myocardial infarction compared to routine clinical and exercise testing data?
Odds Ratio: 0.7 (95% CI 0.5–0.9)
Stress-recovery, heart rate-adjusted ST-segment analysis provides incremental prognostic value over standard clinical and exercise testing variables for predicting cardiac death after a first uncomplicated myocardial infarction.
R BIGI (2004) conducted a cohort in uncomplicated myocardial infarction (n=708). Stress-recovery index was evaluated on Cardiac death (OR 0.7, 95% CI 0.5-0.9). The stress-recovery index independently predicted cardiac death (OR 0.7; 95% CI 0.5-0.9) and provided additional prognostic information over standard clinical and exercise testing data.
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